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<body class="manpage">
<div id="header">
<h1>
syslinux-cli(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>syslinux-cli -
*Syslinux* boot prompt/command line interface
</p>
</div>
</div>
<div id="content">
<div class="sect1">
<h2 id="_description">DESCRIPTION</h2>
<div class="sectionbody">
<div class="paragraph"><p><strong>Syslinux</strong>'s boot prompt provides a very simplistic command line
interface for loading modules and booting kernels.</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_boot_prompt">BOOT PROMPT</h2>
<div class="sectionbody">
<div class="sect2">
<h3 id="_command_line_keystrokes">COMMAND LINE KEYSTROKES</h3>
<div class="paragraph"><p>The command line prompt supports the following keystrokes:</p></div>
<div class="literalblock">
<div class="content">
<pre><code><Enter> boot specified command line
<BackSpace> erase one character
<Ctrl-U> erase the whole line
<Ctrl-V> display the current Syslinux version
<Ctrl-W> erase one word
<Ctrl-X> force text mode
<Tab> list matching labels
<F1>..<F12> help screens (if configured)
<Ctrl-F><digit> equivalent to F1..F10
<Ctrl-C> interrupt boot in progress
<Esc> interrupt boot in progress
<Ctrl-N> display network information (PXELINUX only; 3.50-4.06)</code></pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_working_directory">WORKING DIRECTORY</h3>
<div class="paragraph"><p>At start, the initial working directory for <strong>SYSLINUX</strong>/<strong>ISOLINUX</strong> will
be the directory containing the initial configuration file. If no
configuration file is found, <strong>SYSLINUX</strong> should default to the
install-time working directory, however this is a known issue with some
versions including 4.06.</p></div>
<div class="paragraph"><p>At start, the initial working directory for <strong>PXELINUX</strong> will be the
parent directory of pxelinux.0 unless overridden with DHCP option 210.
If no configuration file is found, <strong>PXELINUX</strong> will start a timer to
reboot the system in an attempt to restart the boot process and resolve
a possible transient issue.</p></div>
</div>
<div class="sect2">
<h3 id="_alternate_filenames">ALTERNATE FILENAMES</h3>
<div class="paragraph"><p>For kernel-like file names given on the command line, <strong>Syslinux</strong> will
attempt to append file name extensions to the specified file name when
the file is not found in the following order: .0[<strong>PXELINUX</strong> only],
.bin[<strong>ISOLINUX</strong> only], .bs[<strong>SYSLINUX</strong> only], .bss[<strong>SYSLINUX</strong> only],
.c32, .cbt[Up to 4.06], .com[Up to 4.06] and .img[<strong>ISOLINUX</strong> 1.65-4.04 only].</p></div>
</div>
<div class="sect2">
<h3 id="_path_rules">PATH RULES</h3>
<div class="paragraph"><p>The current working directory is <strong>always</strong> searched first, before PATH,
when attempting to open a filename. The current working directory is
not affected when specifying a file with an absolute path. For
example, given the following file system layout,</p></div>
<div class="literalblock">
<div class="content">
<pre><code>/boot/
/bin/
ls.c32
libls.c32
/foo/
libls.c32</code></pre>
</div></div>
<div class="paragraph"><p>assuming that the current working directory is /boot/foo, and assuming
that libls.c32 is a dependency of ls.c32, executing /boot/bin/ls.c32
will cause /boot/foo/libls.c32 to be loaded, not /boot/bin/libls.c32,
even if /boot/bin is specified in the PATH directive of a config file.</p></div>
<div class="paragraph"><p>The reason that things work this way is that typically a user will
install all library files in the Syslinux installation directory, as
specified with the --directory installer option. This method allows
the user to omit the PATH directive from their config file and still
have things work correctly.</p></div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_author">AUTHOR</h2>
<div class="sectionbody">
<div class="paragraph"><p>This AsciiDoc derived document is a modified version of the original
<strong>SYSLINUX</strong> documentation by H. Peter Anvin <<a href="mailto:hpa@zytor.com">hpa@zytor.com</a>>. The conversion
to an AsciiDoc was made by Gene Cumm <<a href="mailto:gene.cumm@gmail.com">gene.cumm@gmail.com</a>></p></div>
</div>
</div>
</div>
<div id="footnotes"><hr /></div>
<div id="footer">
<div id="footer-text">
Last updated 2014-01-17 16:09:56 PST
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